S-1133B19-U5T1U

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The S-1133B19-U5T1U is a linear voltage regulator from Diodes Incorporated that is widely used in modern electronics. It is a member of their Volteqx line of voltage regulators, which are designed to meet the high standards of power supply reliability. This specific device is a positive linear voltage regulator that is most commonly used in cell phone chargers, LED driving applications, and motor control circuits.

FEATURES

The S-1133B19-U5T1U has a few key features that make it a popular option for power supply applications. Firstly, it has a wide input voltage range of 6 to 32V, meaning it is suitable for any power supply source available. It also has a low quiescent current of only 19μA, making it well-suited for battery-operated devices. Additionally, its low output noise of 36μVrms and low ripple of 2.5mVrms makes it an excellent choice for applications requiring low-noise power supplies.

APPLICATION FIELDS

The S-1133B19-U5T1U is mainly used in cell phone charger applications, LED driving applications, and motor control circuits. Its wide input voltage range and low quiescent current make it perfect for battery-operated cell phone chargers, as well as LED driving devices that require recent, efficient power. Additionally, its low output noise makes it an excellent choice for applications with strict noise requirements, such as motor control systems.

WORKING PRINCIPLE

The S-1133B19-U5T1U is a linear voltage regulator, meaning it uses linear control circuit techniques to regulate the input voltage to the desired output voltage. The device has an internal voltage reference and error amplifier that monitors the output voltage and adjusts it as needed. The device also uses current limiting and thermal shutdown to protect it from overcurrent and overheating. The output of the device is also able to be trimmed to the specified voltage. The S-1133B19-U5T1U is a 3-pin device, with the 1 pin for the input, the 2 pin for the output, and the 3 pin for ground.

CONCLUSION

The S-1133B19-U5T1U is a popular linear voltage regulator designed to provide reliable power supply solutions. It is mainly used in cell phone charger applications, LED driving applications, and motor control circuits. Its wide input voltage range, low quiescent current, low output noise, and low ripple make it a great choice for these types of applications. The device operates by using linear control circuit techniques to regulate the input voltage to the desired output voltage, and it is able to be trimmed to the specified voltage. It also protects itself from overcurrent and overheating with current limiting and thermal shutdown.

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